Overview
The AD8336ACPZ-RL, produced by Analog Devices Inc., is a low noise, single-ended, linear in dB, general-purpose variable gain amplifier. It is designed to operate over a wide range of supply voltages and temperatures, making it versatile for various applications. The AD8336 features an uncommitted preamplifier and a variable gain amplifier (VGA) section, both of which contribute to its wide bandwidth and low noise characteristics.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±3 V | ±12 V | V | |
| Temperature Range | −55°C | +125°C | °C | |
| Small-Signal Bandwidth | 115 MHz | MHz | ||
| Large-Signal Bandwidth (2 V p-p) | 80 MHz | MHz | ||
| Slew Rate (2 V p-p) | 550 V/µs | V/µs | ||
| Voltage Noise | 3 nV/√Hz | nV/√Hz | ||
| Current Noise | 3 pA/√Hz | pA/√Hz | ||
| Gain Range (VGA) | 0 dB | 60 dB | dB | |
| Gain Scaling Factor | 48 dB/V | 49.9 dB/V | 52 dB/V | dB/V |
| Output Impedance (DC to 10 MHz) | 2.5 Ω | Ω | ||
| Power Consumption at ±3 V | 150 mW | mW |
Key Features
- Low Noise: Voltage noise of 3 nV/√Hz and current noise of 3 pA/√Hz.
- Wide Bandwidth: Small-signal bandwidth of 115 MHz and large-signal bandwidth of 80 MHz for 2 V p-p signals.
- High Slew Rate: 550 V/µs for 2 V p-p signals.
- DC-Coupled: Single-ended input and output with DC coupling.
- Flexible Supply Voltage: Operates from ±3 V to ±12 V.
- Temperature Range: Functional from −55°C to +125°C.
- Power Reduction: Option to reduce power and bandwidth via the PWRA pin.
- Gain Control Interface: Fully differential gain control interface with a gain scaling factor of 50 dB/V.
Applications
- Industrial Process Controls: Suitable for high precision and low noise requirements.
- High Performance AGC Systems: Ideal for automatic gain control in various communication systems.
- I/Q Signal Processing: Used in quadrature amplitude modulation and demodulation.
- Video: Applicable in video signal processing and transmission.
- Industrial and Medical Ultrasound: Utilized in medical imaging and industrial inspection.
- Radar Receivers: Employed in radar systems for signal amplification and processing.
Q & A
- What is the operating temperature range of the AD8336?
The AD8336 operates from −55°C to +125°C.
- What are the supply voltage ranges for the AD8336?
The AD8336 can operate from ±3 V to ±12 V.
- What is the small-signal bandwidth of the AD8336?
The small-signal bandwidth is 115 MHz.
- What is the slew rate of the AD8336 for a 2 V p-p signal?
The slew rate is 550 V/µs for a 2 V p-p signal.
- What is the gain range of the VGA section in the AD8336?
The gain range of the VGA section is from 0 dB to 60 dB.
- How does the gain control interface work in the AD8336?
The gain control interface is fully differential with a gain scaling factor of 50 dB/V.
- What is the power consumption of the AD8336 at ±3 V supply voltage?
The power consumption is approximately 150 mW at ±3 V supply voltage.
- Can the AD8336 be used in high performance AGC systems?
Yes, the AD8336 is suitable for high performance automatic gain control systems due to its low noise and wide bandwidth.
- What package types are available for the AD8336?
The AD8336 is available in a 16-lead LFCSP (4mm x 4mm x 0.85mm) package.
- Is the AD8336 RoHS compliant?
Yes, the AD8336 is RoHS compliant.
